Summary

Dr. John Dagianis is an ophthalmologist with five decades of experience treating eye conditions and performing vision-related procedures. He earned his medical degree from the University of Cincinnati College of Medicine and completed his residency at Thomas Jefferson University Hospital. Dr. Dagianis speaks both Spanish and Portuguese, helping him connect with a diverse patient community.

Dr. Dagianis practices at multiple locations throughout Nashua and Milford, New Hampshire, with affiliations at Southern New Hampshire Medical Center and Saint Joseph Hospital. He specializes in treating glaucoma and cataracts, focusing on comprehensive eye care for his patients. His practice includes performing thorough eye exams, retinal imaging, and dilated eye examinations to ensure optimal vision health. Patients have given him an average rating of 4.5 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 50 years of experience
  • speaks Spanish, Portuguese
  • Thomas Jefferson University Hospital
  • 1 written review
  • 1 specialty
  • 10 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John James Dagianis has 4 locations

Novamed Surgery Center Of Nashua

5 Coliseum AveNashua, NH 03063
Mon7:00 am - 4:30 pm
Tue7:00 am - 4:30 pm
Wed7:00 am - 4:30 pm
Thu7:00 am - 4:30 pm
Fri7:00 am - 4:30 pm
SatClosed
SunClosed

Nashua Eye Associates

555 Nashua StMilford, NH 03055
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 6:30 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

Saint Joseph Hospital

172 Kinsley StNashua, NH 03060

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Dr. John James Dagianis, MD
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Dr. John James Dagianis, MDDr. Daniel Louis Schwartz, MDDr. Kevin J Kaufman, MDDr. David Samuel Gendelman, MD
OphthalmologyOphthalmologyOphthalmologyOphthalmology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
3.7 
4.3 
4.5 
50 Years of Experience 13 Years of Experience 43 Years of Experience 45 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, Portuguese Speaks English Speaks English, French, Italian Speaks Spanish, French
Nashua , NHBrookline , MABrookline , MABurlington , MA
Med School: University Of Cincinnati College Of Medicine Med School: Virginia Commonwealth University School Of Medicine Med School: Perelman School Of Medicine At University Of Pennsylvania Med School: Yale University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John James Dagianis

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. John James Dagianis has the following specialty

Specialty Expertise

Dr. John James Dagianis has the following 10 areas of expertise

  • Blindness
  • Cataract
  • Diabetic Retinopathy
  • Eye Exam
  • Eye Pain
  • Glaucoma
  • Lasik Surgery
  • Macular Degeneration
  • Refractive Surgical Procedures
  • Vision Issues

Certifications, License, & Education

50 Years Experience

Dr. John James Dagianis holds an expired medical license in the state of New Hampshire.

Medical License

Medical Doctor with an expired medical license in the state of New Hampshire that expired in 2026.

Education & Training

Residency

Completed their residency at Thomas Jefferson University Hospital.

Medical School

Graduated from University Of Cincinnati College Of Medicine in 1976.

NPI Number

Dr. Dagianis' NPI number is 1972508026.

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Frequently Asked Questions

Is Dr. John Dagianis accepting new patients?
Dr. John Dagianis is accepting new patients on Vitals. View Dr. John Dagianis's profile on Vitals to make an appointment.
What languages does Dr. John Dagianis speak?
Dr. John Dagianis speaks Spanish and Portuguese.
Does Dr. John Dagianis accept my insurance?
You can see the insurance plans that Dr. John Dagianis accepts on their Vitals profile.
How can I make an appointment with Dr. John Dagianis?
You can find contact information for Dr. John Dagianis here on Vitals.
Does Dr. John Dagianis accept virtual/telehealth appointments?
Dr. John Dagianis has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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